• The DO7 digital micro ohmmeter is a practical instrument for low resistance measurement, ideal for utilities use in the workshop, field or test facilities. It is of rugged construction, contained in a sealed ABS plastic case with lid and carrying handle.
   

• The DO7 digital micro ohmmeter has many advanced features. Rechargeable batteries means real portability with more than 40 minutes of cumulative operation on the lowest ranges, and over 12 hours on all others. The internal charger will boost charge to 90% of full charge, switching automatically to a trickle maintenance charge. Warning LEDs illuminate when an open circuit lead condition is detected.

Technical Specifications 

• Measurement:

• 4 Terminal Kelvin/Thomson principle eliminates errors due to lead resistance

• Open circuit measurement voltage: ~2V DC

• Display:

• 0.8" LED, 6,000 count

• Automatic decimal point and polarity indication

• Ranges:

• 6 push-button selected with LED indication

• Calibration:

• Digital, security key protected

• Battery:

• Sealed lead-acid, rechargeable cells

• Internal charger with battery state indicator

• Terminals:

• 6mm binding posts, accept spade tags and 4mm banana plugs

• Operating Conditions:

• Working Temperature: 0°C to 40°C, relative humidity 80% max (non-condensing)

• Storage Temperature: -20°C to +50°C

• Power Supply:

• 100/120/220/240V ±10% / -13%

• Frequency: 47–63Hz

• Power Consumption: 20VA

• Safety:

• IEC 1010, Protective Class 1

• EMC Compliance:

• Meets EN61326 standards

• Dimensions:

• 343mm (W) × 327mm (D) × 152mm (H) (approx.)

• Mass:

• ~8kg

• Accessories Included:

• Mains cord

• Measuring leads with Kelvin clips

• Handbook

• Calibration certificate